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Are you trying to setup on replication on mysql5.5+ ? After upgrading, your mysql can’t start,and  the log show “unknown variabled ‘master-host=’ The following options are removed in MySQL 5.5. If you attempt to start mysqld with any of these options in MySQL 5.5, the server aborts with an unknown variable error. –master-host –master-user –master-password –master-port Solution, comment the master- related variables. Do following, On Master: mysql>GRANT REPLICATION SLAVE ON . TO ‘slave_user’@’%’ IDENTIFIED BY ‘‘; (Replace with a real password!) mysql>FLUSH PRIVILEGES; mysql>FLUSH TABLES WITH READ LOCK; mysql>SHOW MASTER STATUS; get the DB dump. mysql>UNLOCK TABLES; On Slave: import the DB dump mysql>stop slave; mysql>CHANGERead More →

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============================================================================== Check if you need to update Running this: env x='() { :;}; echo vulnerable’ bash -c “echo this is a test” If you are vulnerable , you will see: ” vulnerable hello” If you are not, you will see bash: warning: x: ignoring function definition attempt bash: error importing function definition for `x’ hello ============================================================================== CHECK your package dpkg -s bash | grep Version ============================================================================== HOW TO FIX METHOD1: sudo apt-get update && sudo apt-get install bash ============================================================================== METHOD2: compile your self to make this run , you must have “patch” apt-get install patch cd /root mkdir src cd src wget http://ftp.gnu.org/gnu/bash/bash-4.3.tar.gz #download allRead More →

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Driver identifier is the best and powerful tool allows you to find the latest drivers for printers, LAN cards, modems, scanners, graphic cards, sound cards, mother boards and many other computer or CPU devices. This great utility software scans for outdated drivers and then updates them to latest ones automatically from the server. Driver identifier also has the portable version of Driver identifier 4.2.7 for windows. Driver identifier provides you help for determining the outdated system hardware drivers to latest and new ones. This is simple, fast and powerful application used to get the right drivers for your personal computer. It can easily download theRead More →

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After installing Centos and Sendmail , you can’t send mail from PHP , you might have a warning ” can not initial mail function ” from php page Resolution: Centos 5 has SELinux enabled by default. Use the command getenforce to determine whether or not SELinux is enabled. If SELinux is enabled you need to change the security settings for the web server. By default the web server daemon and any scripts it runs can’t make any network connections, and you need one to send e-mail. Depending on the mechanism used by Horde enabling mail functionality may be sufficient: setsebool httpd_can_sendmail=on or you need toRead More →